Pillow



FIG. 1 is a perspective view of a design for a pillow;

FIG. 2 is a first side view of a length of the pillow shown in FIG. 1;

FIG. 3 is a second side view of a width of the pillow shown in FIG. 1;

FIG. 4 is a top view of the pillow shown in FIG. 1;

FIG. 5 is a bottom view of the pillow shown in FIG. 1; and,

FIG. 6 is a perspective bottom view of the pillow shown in FIG. 1.

The broken lines in the drawings illustrate features that form no part of the claimed design. 

CLAIM The ornamental design for a pillow, as shown and described. 